{"id":"CVE-2026-98871","state":"PUBLISHED","title":"crypto: ccp - Fix possible deadlock in SEV init failure path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix possible deadlock in SEV init failure path\n\n__sev_platform_init_handle_init_ex_path() calls\nrmp_mark_pages_firmware() with locked=false while the parent\nfunction of init_ex_path already acquired the sev_cmd_mutex.\nIn the case of an RMPUPDATE failure for any page after the first, the cleanup\npath would invoke reclaim pages which would result in a deadlock in\nsev_do_cmd.\n\nPass locked=true to honor the lock status of the parent function.","publishedAt":"2026-10-23T11:37:09.369Z","updatedAt":"2026-10-23T11:37:09.369Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7364a6fbca45f826952ea932699fb2171d06ee73","status":"affected","lessThan":"8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1","versionType":"git"},{"version":"7364a6fbca45f826952ea932699fb2171d06ee73","status":"affected","lessThan":"ffd3a3df92be697eb78118a146c6a5d5e6c1f724","versionType":"git"},{"version":"7364a6fbca45f826952ea932699fb2171d06ee73","status":"affected","lessThan":"364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4","versionType":"git"},{"version":"7364a6fbca45f826952ea932699fb2171d06ee73","status":"affected","lessThan":"b0e7ec0dab242c5e480121ba12400d0513e37ca2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/ccp/sev-dev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.9","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/ccp/sev-dev.c"]}],"references":["https://git.kernel.org/stable/c/8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1","https://git.kernel.org/stable/c/ffd3a3df92be697eb78118a146c6a5d5e6c1f724","https://git.kernel.org/stable/c/364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4","https://git.kernel.org/stable/c/b0e7ec0dab242c5e480121ba12400d0513e37ca2"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98871.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98871","state":"PUBLISHED","datePublished":"2026-10-23T11:37:09.369Z","dateUpdated":"2026-10-23T11:37:09.369Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.377Z"},"containers":{"cna":{"title":"crypto: ccp - Fix possible deadlock in SEV init failure path","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix possible deadlock in SEV init failure path\n\n__sev_platform_init_handle_init_ex_path() calls\nrmp_mark_pages_firmware() with locked=false while the parent\nfunction of init_ex_path already acquired the sev_cmd_mutex.\nIn the case of an RMPUPDATE failure for any page after the first, the cleanup\npath would invoke reclaim pages which would result in a deadlock in\nsev_do_cmd.\n\nPass locked=true to honor the lock status of the parent function."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7364a6fbca45f826952ea932699fb2171d06ee73","status":"affected","lessThan":"8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1","versionType":"git"},{"version":"7364a6fbca45f826952ea932699fb2171d06ee73","status":"affected","lessThan":"ffd3a3df92be697eb78118a146c6a5d5e6c1f724","versionType":"git"},{"version":"7364a6fbca45f826952ea932699fb2171d06ee73","status":"affected","lessThan":"364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4","versionType":"git"},{"version":"7364a6fbca45f826952ea932699fb2171d06ee73","status":"affected","lessThan":"b0e7ec0dab242c5e480121ba12400d0513e37ca2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/ccp/sev-dev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.9","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/ccp/sev-dev.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1"},{"url":"https://git.kernel.org/stable/c/ffd3a3df92be697eb78118a146c6a5d5e6c1f724"},{"url":"https://git.kernel.org/stable/c/364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4"},{"url":"https://git.kernel.org/stable/c/b0e7ec0dab242c5e480121ba12400d0513e37ca2"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-23T11:37:09.369Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}